A Self Propelled Stair Climbing Wheel Chair

Patent Status: 

Patent Granted

Indian Patent Applicaton No: 

2097/DEL/2011

Design Patent No: 

238758

Design Date: 

09.11.2011

Date Filed: 

25.07.2011

Patent Category: 

Overview: 

A convertible wheelchair designed to enable independent access for user in ascending and descending stairs and others obstacles like curbs

Key Features: 

  • The invention is an economical, safe, user friendly and efficient stair climbing convertible manual wheelchair.
  • It is a simple machine designed for climbing stairs with mechanical benefit via lever ratchets system and braking system.
  • A "Y" shaped wheel is designed for better grip and optimum braking for climbing up and down.
  • An attempt is being made to fabricate and demonstrate a stair climbing manual wheel chair.

Applications: 

  • Wheelchair.

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